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Inserts an item into the collection at the specified index.
protected override void InsertItem(int index, DateField item)
Protected Overrides Sub InsertItem(index As Integer, item As DateField)
Type | Name | Description |
---|---|---|
int | index | The zero-based index at which item should be inserted. |
DateField | item | The object to insert. |
Type | Condition |
---|---|
InvalidOperationException | When add the DateField of the same function to the collection, e.g. the a DateYearField is in the collection, you cannot add either DateEraField or DateEraYearField. |